// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_VIEWS_COREWM_TOOLTIP_H_
#define UI_VIEWS_COREWM_TOOLTIP_H_

#include "base/strings/string16.h"
#include "ui/views/views_export.h"

namespace aura {
class Window;
}

namespace gfx {
class Point;
}

namespace views {
namespace corewm {

    // Tooltip is responsible for showing the tooltip in an appropriate manner.
    // Tooltip is used by TooltipController.
    class VIEWS_EXPORT Tooltip {
    public:
        virtual ~Tooltip() { }

        // Returns the max width of the tooltip when shown at the specified location.
        virtual int GetMaxWidth(const gfx::Point& location) const = 0;

        // Updates the text on the tooltip and resizes to fit.
        virtual void SetText(aura::Window* window,
            const base::string16& tooltip_text,
            const gfx::Point& location)
            = 0;

        // Shows the tooltip at the specified location (in screen coordinates).
        virtual void Show() = 0;

        // Hides the tooltip.
        virtual void Hide() = 0;

        // Is the tooltip visibile?
        virtual bool IsVisible() = 0;
    };

} // namespace corewm
} // namespace views

#endif // UI_VIEWS_COREWM_TOOLTIP_H_
